pigeonhole

/P IH1 JH AH0 N HH OW0 L/
noun
  1. 1

    One of an array of compartments for housing pigeons.

  2. 2

    One of an array of compartments for receiving mail and other messages at a college, office, etc.

    โ€œFred was disappointed to find his pigeonhole empty except for bills and a flyer offering 20% off on manicures.โ€

  3. 3

    One of an array of compartments for storing scrolls at a library.

  4. 4

    A similar compartment in a desk, used for sorting and storing papers.

verb
  1. 1

    To categorize; especially to limit or be limited to a particular category, role, etc.

    โ€œFred was tired of being pigeonholed as a computer geek.โ€

  2. 2

    To put aside, to not act on (proposals, suggestions, advice).

Source: https://en.wiktionary.org/wiki/pigeonhole